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Last night's episode saw Martin Roberts and Adam Thomas take part in a brand new challenge for food.

Called Pick n Critz, they had to hold insects - from spiders to giant cockroaches - in their mouths.

But viewers weren't happy with the scenes as the animals battled to get out.

"No animals should be treated this way in the name of 'entertainment'," one viewer declared.

"Love #ImACeleb love @antanddec but hate to keep seeing animals stressed & hurt on the show & the challenges without them are just as good," wrote another.

"I really do disagree with the use of living animals on #ImACeleb" a third agreed and a fourth admitted: "Watching this trial and all I can think is how this show has no respect for animals, so cruel #ImACeleb"

Almost 10,000 people (at the time of writing) have now signed a petition aimed at UK TV watchdog Ofcom and the makers of I'm A Celebrity.

It asks that UK shows are forced to obey the Animal Welfare Act, even when filming abroad.

"At the moment, there are no Ofcom rules or guidelines directly addressing animal welfare," the petition reads. "Without these rules in place and sanctions enabled to be imposed, animals are facing unnecessary suffering in UK television production, which understandably causes upset to viewers as well as distress to those animals.

"We therefore call on Ofcom to take immediate action to introduce the above rules, requiring that UK TV companies adhere to the Animal Welfare Act at all times, even when filming abroad."

Last night's trial isn't the first of this year's tasks to cause complaints.

Earlier this series, Scarlett Moffatt was accused of "murdering" a beetle during one of I'm A Celeb's eating trials.

"So cruel to eat a live beetle though #ImACeleb" one viewer complained while another claimed: "She just murdered a beetle #ImACeleb"